Used as an antiviral agent, particularly in the treatment of viral infections such as influenza and herpes. It works by stimulating the production of interferons, which are proteins that help the body's immune system fight off viruses. Also investigated for its potential in treating certain autoimmune disorders due to its immunomodulatory effects. Has been studied for possible antitumor activity when combined with other therapies. Not approved for use in many Western countries but utilized in some regions as part of antiviral treatment protocols.